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A046228
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First numerator and then denominator of elements to right of central elements of 1/2-Pascal triangle (by row), excluding 1's and 2's.
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0
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3, 5, 11, 7, 9, 9, 20, 27, 11, 67, 19, 13, 147, 105, 51, 15, 126, 78, 33, 17, 273, 204, 111, 83, 19, 477, 315, 305, 51, 21, 1023, 792, 935, 407, 123, 23, 1815, 2519, 671, 265, 73, 25, 3861, 6149, 3861, 936, 338, 171, 27, 13871, 5005, 5733, 1274, 847, 99, 29, 29315
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 1/1; 1/1 1/1; 1/1 1/2 1/1; 1/1 3/2 3/2 1/1; 1/1 5/2 3/1 5/2 1/1; 1/1 7/2 11/2 11/2 7/2 1/1; 1/1 9/2 9/1 11/1 9/1 9/2 1/1; 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1; ...
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CROSSREFS
| Cf. A046213.
Sequence in context: A143386 A151885 A137656 * A132162 A168323 A154561
Adjacent sequences: A046225 A046226 A046227 * A046229 A046230 A046231
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KEYWORD
| tabf,nonn
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AUTHOR
| Mohammad K. Azarian (ma3(AT)evansville.edu)
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EXTENSIONS
| More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 13 1999
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